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WO/2020/156974A1 |
In welding tongs (1) comprising: - a first and a second electrode arm (2A, 2B) each having a first and a second electrode (3A, 3B) secured to the electrode arm (2A, 2B); - at least one drive means (4), by which the first and the second e...
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WO/2020/160028A1 |
A method of manufacturing a heat exchanger array that includes stacking a plurality of heat exchanger units in an aligned configuration with respective first ports of the heat exchanger units aligned. The heat exchanger units can include...
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WO/2020/158050A1 |
A processing machine (10) is provided with: at least one dolly (12) on which a workpiece (vehicle body floor (VF)) is placed; and a robot (16) that is placed on the dolly (12) and performs a predetermined process (re-spot welding) using ...
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WO/2020/152894A1 |
[Problem] To enable degradation of a diode to be measured [Solution] The present invention includes: a programmable power supply 110 which applies a reverse voltage to didoes 172, 174; a resistor 115 which detects a current value of curr...
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WO/2020/153263A1 |
Provided are: a clamping mechanism that simply and stably clamps, at a central position, objects to be clamped having different sizes; an apparatus for manufacturing a joining member; and a method for manufacturing a joining member. The ...
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WO/2020/140503A1 |
Provided are a motor winding welding electrode and a motor winding welding process; a welding electrode comprises an upper electrode (1) and a lower electrode (2) which both are made of good electrical conductors and used for clamping th...
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WO/2020/138468A1 |
The present invention provides a method for producing a steel member having a nut and/or a bolt with which high joining strength can be obtained in a stable manner. This method for producing a steel member, in which the steel member is m...
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WO/2020/137267A1 |
A terminal (1) comprises: a columnar metal terminal (10); and a metal wire (20) which is wound around the columnar metal terminal (10). The melting point of a first metal constituting the metal wire (20) is lower than the melting point o...
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WO/2020/136295A1 |
The invention relates to a piece for mechanical joining by means of screwing that can be used for resistance welding, which consists of a nut (1) or screw (1') intended to be welded to a plate (3) or similar by means of resistance weldin...
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WO/2020/130079A1 |
The purpose of the present invention is to provide a spot welding member having a spot welding part formed by spot welding a plurality of steel sheets that include zinc-based plating layers. The present invention is a spot welding member...
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WO/2020/126404A1 |
The invention relates to a device for welding a weld stud at a predefined location on a substrate, said device comprising a stud holder, a protective gas shield which surrounds the stud holder, forming a gap between the stud holder and t...
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WO/2020/128169A1 |
The present invention relates to a method for manufacturing at least one blank of a final metal object from a digital object, said blank comprising at least two distinct stacks of layers superimposed on a metal substrate (1), the method ...
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WO/2020/122620A1 |
Disclosed is a method for manufacturing an electrode tip for spot welding, the method comprising: an arrangement step for arranging the tip of a rod-shaped copper alloy material and the tip of a rod-shaped tungsten alloy material so as t...
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WO/2020/123896A1 |
Rivet dispenser systems and methods of use thereof are provided. In a non-limiting embodiment, the rivet dispenser system comprises a rivet receiving member defining a channel therein, and a seat member. The channel includes a curved reg...
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WO/2020/121974A1 |
This cooling device comprises a refrigerant circulation channel, and a pump that pressure feeds the refrigerant in the refrigerant circulation channel. An articulated robot heat generating unit includes an end effector heat generating un...
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WO/2020/123885A1 |
Rivet dispenser reloading systems and methods of use thereof are provided. A non-limiting embodiment of a rivet dispenser reloading system comprises a receiving member defining a channel therein, and a first gate. The rivet receiving mem...
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WO/2020/114980A1 |
The invention relates to a butt-welding device and a method for butt-welding, in particular for dual-upset resistance-pressure butt-welding workpieces, in particular wires, strands and profiles, comprising first and second clamping means...
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WO/2020/111533A1 |
The present invention relates to an electric resistance welding apparatus which comprises a compressor, a welding holder, and a welding rod, wherein air compressed in the compressor is introduced into the welding rod through the welding ...
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WO/2020/110394A1 |
Provided is a spot welding method whereby it is possible to reliably weld while suppressing the occurrence of expulsion. First through third metal plates W1-W3 were welded, in which the ratio of the total thickness thereof with respect t...
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WO/2020/110158A1 |
A welding apparatus, which comprises a main unit (2) which directly or indirectly supports a first electrode (3a) and a second electrode (3b) which can be passed through by an electric current for carrying out welding processes. The unit...
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WO/2020/109850A1 |
A cold rolled annealed steel sheet having a chemical composition comprising, in weight %: 0.30% ≤ C ≤ 0.50%, 1.00% ≤ Mn ≤ 2.50%, 1.00% ≤ Si ≤ 2.00%, Al ≤ 2.00%, Cr ≤ 0.100%, 0.100% ≤ Mo ≤ 0. 500%, 0.020% ≤ Nb ≤ 0....
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WO/2020/105267A1 |
Provided is a joint structure with which cracking between a nugget and a corona bond after welding is less likely to occur, and a method for manufacturing the joint structure. In this joint structure (10) formed by performing resistance ...
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WO/2020/105325A1 |
Provided are: a joined structure in which HAZ cracking can be suppressed on the outer side of a corona bond, at electrode indentation parts, and on the outer side of indentation parts at the time of spot-welding a plate set including ste...
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WO/2020/105266A1 |
The present invention increases the toughness of molten-solidified portions and improves joint strength without inhibiting welding workability, even in a high-tensile steel plate in which the matrix has excellent mechanical properties an...
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WO/2020/104832A1 |
A dual pass seam welding method for steels having a Ceq of greater than about 0.45. The first pass welds the immediately anneals the weld. On the second pass, the welder is disengaged, and the weld is subjected to a second anneal.
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WO/2020/099359A1 |
The invention relates to a method for bonding a terminal (11, 12) of a battery cell (2) to at least one cell connector (21) using resistance welding. An electrically conductive first cell connector (21) is applied to the terminal (11, 12...
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WO/2020/099020A1 |
The invention relates to a method for producing a laser-welded connection, having the steps: - bringing together a joint section (11, 31, 61) of a first component (10, 30, 60) and a second component (20, 40, 70), wherein a protrusion (12...
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WO/2020/101065A1 |
An electrically assisted pressure joining apparatus and an electrically assisted pressure joining method, according to the present invention, are for joining a first metal member and a second metal member to each other, the electrically ...
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WO/2020/100363A1 |
[Problem] To control operation of a resistance welding machine in consideration of welding current and usage rate. [Solution] The present invention has: a control unit 120 for controlling the welding current flowing to an inverter transf...
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WO/2020/097238A1 |
A system (10) and method (200) includes a welding machine (12) having a voltage setting, On/Off power setting, power outlet setting, welding process setting, and welding lead setting and a communication device (15), a computing device (1...
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WO/2020/095255A2 |
An electrical discharge welding apparatus (90) for welding metal products, comprising at least one gripping member (30), said at least one gripping member (30) comprising at least one pad (10), the pad (10) being adapted to come into con...
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WO/2020/095847A1 |
The present invention relates to a resistance spot welding method and makes it possible to stably ensure a desired nugget diameter, without causing expulsion. Prior to the start of final-weld electrification, a to-be-welded member is pre...
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WO/2020/095501A1 |
[Problem] To provide an inverter power source device having a measuring function for measuring degradation of a rectifying element such as a diode. [Solution] This inverter power source device comprises: a step-down stabilizing unit 120 ...
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WO/2020/087959A1 |
A device for preventing cooling water from dripping, adapted to be connected to a spot welding machine. The device (1) for preventing cooling water from dripping comprises a cylindrical body (5); the opening portion at one end of the cyl...
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WO/2020/088866A1 |
The invention relates to a method for producing at least one defined connecting layer between two components, wherein the first component (11) is produced from a first metallic material and the second component (12) is produced from a se...
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WO/2020/092772A1 |
An ultrasonic resistance welding apparatus 10 contains a resistance spot welding apparatus 15, a first electrode 16 and a vibrable second electrode 18, the vibrable second electrode 18 in operable communication with an ultrasonic transdu...
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WO/2020/086245A1 |
A method for resistance spot welding aluminum alloys includes reducing the electrical resistance of an outer surface of the stackup in contact with the anode while leaving the faying surfaces at higher resistances, e.g., by grit blasting...
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WO/2020/079347A1 |
The present invention relates to a method for welding a fluid-tight and thermally insulating tank membrane, wherein there are: - at least two metal strakes (1, 2) of the fluid-tight membrane, and - at least two metal welding supports, - ...
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WO/2020/067094A1 |
Provided are: an inexpensive electrode for resistance spot welding, which exhibits excellent continuous spotting properties with respect to various types of to-be-welded materials and which assures a longer service life in relation to re...
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WO/2020/068575A1 |
Texture for breaking oxide layers on an electrode and a tool applying texture to an electrode is disclosed. The tool may be used during a pattern creating process where the texture is applied to the electrode tip, or may be used during a...
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WO/2020/068901A1 |
A method for fusing an electrical conductor to a film pad circuit including the steps of: providing an electrically inert substrate having a first surface and an opposing second surface; applying an electrically conductive film to the se...
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WO/2020/064207A1 |
The invention relates to a method for operating a welding device for resistance welding, having the steps of: - carrying out a test measurement by moving the electrodes of the welding device, such as a welding gun, towards one another, w...
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WO/2020/066747A1 |
The present invention relates to a resistance welding device (10), a hollow arm (16), and a method of manufacturing a hollow arm (16). A welding gun (10) is provided with the hollow arm (16) for holding a movable electrode (14). The holl...
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WO/2020/056951A1 |
A multilayer metal welding device and a welding method thereofor the multilayer metal welding device comprising a frame, an electric actuator group, a pressure following mechanism, a stretching mechanism, a mechanical arm assembly, a wel...
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WO/2020/051666A1 |
The present invention relates to a relief valve (1) for a turbocharger, in which the crank arm (3) is made of a first material and the shaft (4) is made of a second material different from the first material used for manufacturing the cr...
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WO/2020/052792A1 |
The invention relates to fill level detectionng for electrode cap magazines of welding electrodes, consisting of an electrode cap magazine having at least one electrode cgap channel (5), in which at least one cap conveyor (6) is arranged...
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WO/2020/053735A1 |
The present invention relates to a method for the manufacture of an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, such method comprising two steps, the assembly obtainable accor...
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WO/2020/053736A1 |
The present invention relates to a method for the manufacture of an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, such method comprising two steps, the assembly obtainable accor...
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WO/2020/053734A1 |
The present invention relates to an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, a method for the manufacture of the assembly according to the present invention, such method co...
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WO/2020/050011A1 |
This spot welding method is a method for joining workpieces being a layered body of three or more metal sheets by supplying welding current. The welding current has a pulse-like waveform wherein a peak state in which the current reaches ...
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